Related Experiment Video
Updated: Oct 17, 2025
09:06
Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
Published on: March 24, 2019
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Rippling Ferroic Phase Transition and Domain Switching In 2D Materials
Yang Yang1, Hongxiang Zong1, Jun Sun1
1State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China.
Advanced Materials (Deerfield Beach, Fla.)
|October 11, 2021
Summary
Ripples in 2D materials enhance ferroic properties and alter domain switching. This study reveals how these structural defects impact ferroelastic-ferroelectric monolayer GeSe, offering insights for advanced electronic applications.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Nanotechnology
Background:
- Ripples are common structural defects in 2D materials, influencing their electronic and mechanical properties.
- The impact of ripples on 2D ferroics, materials exhibiting ferroelectric and ferroelastic behavior, remains largely unexplored.
Purpose of the Study:
- To investigate the effect of ripples on ferroic phase transitions and domain switching in monolayer Germanium Selenide (GeSe).
- To understand how ripples modify temperature-induced phase transitions and stress-induced domain reorientation.
Main Methods:
- Molecular dynamics simulations were employed to model monolayer GeSe with varying ripple configurations.
- Simulations analyzed the ferroic phase transition upon cooling and domain switching under applied stress.
Main Results:
- Ripples stabilize short-range ferroic order in the high-temperature phase, increasing ferroicity and transition temperature.
- Domain switching transitions from a correlated process to a localized, ripple-driven phenomenon due to random stress from ripples.
Conclusions:
- Ripples play a crucial role in modulating the ferroic behavior of 2D materials.
- Ripple engineering offers a pathway to control phase transitions and domain switching for flexible 2D electronics.
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